Engine exhaust operated fluent material distributor



P 1952 c. w. ILOY ETAL 2,611,992

ENGINE EXHAUST OPERATED ELUENT MATERIAL DISTRIBUTOR Filed June 2, 1950 Cyril M Loy Maxwell H. Mull/s INVENTORS Patented Sept. 30, 1952 ENGINE EXHAUST OPERATED FLUENT 7 MATERIAL ms'rmenroa Cyril W. Loy and Maxwell H. Mullis, York, S. "0., assignors, by direct and mesne assignments, to

Kileze Company, Inc.

Application June 2, 1950, Serial No. 165,714

This invention relates to improvements in attachments for tractors or other farm equipment and relates specifically to a device which may be attached with an exhaust pipe of an engine so that the exhaust gases of the engine pass through a tube drawing insecticide from a storage compartment for distribution.

An object of this invention is to provide an attachment for an internal combustion engine which employs the exhaust gases of that engine for drawing a fluid insecticide from a storage tank for admixture with the exhaust gases whereby the insecticide is heated and admixed with the exhaust gases whereby it may be emitted as a :gas.

Another object of this invention is to provide a trap in one of the two Venturi tubes forming a 'part of the invention, said trap being formed partially by an end baffle which also serves as a collector for droplets of material, preventing them from being discharged with the gases.

Ancillary objects and features of importance will become apparent in following the description of the illustrated form of the invention.

In the, drawings:

Figure 1 is an elevational view of the device, showing schematically its connection with a typical engine;

Figure .2 is a longitudinal sectional view of the device;

Figure 3 is a View taken substantially on the line 3-3 of Figure 2 and in the direction of the arrows;

Figure 4 is a view taken substantially on the line 44 of Figure 2 and in the direction of the arrows; and

Figure 5 is an enlarged view of the Venturishaped inner sleeve showing fragmentarily the restriction therein together with the inlet jets or nozzles.

The fragmentary part of an engine Ill illustrated in Figure 1 is employed to indicate any type of internal combustion engine including an exhaust manifold l2. An exhaust pipe 14 is attached to the manifold I2.

A storage tank [6 adapted to contain an insecticide, preferably of the fluid type, is illustrated in Figure 1 and may be attached to a tractor, or other type of farm vehicle.

A Venturi-shaped tube I8, having the restriction 20 therein, .is provided with an open rear end, to which is attached a conduit 22. This conduit is fitted over the exhaust pipe l4 and held in place by means of a pipe clamp 24. Accordingly, exhaust gases from the engine pass 3 Claims. (01. 43-129) 2 I through the conduit 22 and also through the open-ended tube l8.

At the end of the tube opposite the conduit 22 there is a balile 28 with a central opening 28 therein. A short length of conduit 30 is disposed in the opening 28 to thereby form an outlet member for the exhaust gases which pass through the tube I8.

The baflie 26 serves two purposes. The first is to form a part of a trap 32 and the'second is to baffle the exhaust gases laden with the insecticide whereby only the center part of the stream flowing through the tube is permitted to be discharged over the field or whatever region is being sprayed. The remainder, including some droplets of material, strike the baflle and fall by gravity into the trap 32.

A sleeve 34 also Venturi-shaped and having a restriction 36 is arranged axially within the tube Hi. This sleeve has its outer or discharge end coincident with the restriction 20 in the tube l8. 7 v

The purpose of the Venturi-shaped sleeve 34 is to provide a suction in the conduit 38 which is attached at one end to the tank l6 and which is attached at the other end to a coupling 43.

A length 42 of conduit extends from one side of the coupling 40 and terminates in the branch lines 43 and 44 (Figure 4) which straddle the tube I8. The branch conduits 43 and 44 pass through lateral openings in the tube [8 and also through openings 45 and 46 in the Venturishaped sleeve 34 (Figure 5). Nozzles or jets 41 and 48 are formed at the ends of the branch conduits 43 and 44 and are opposed to each other. As is noted from inspection of Figure 5, the nozzles 41 and 48 are disposed in the low pressure region or restriction of the sleeve 34, whereby the insecticide may be drawn through the various conduits from the tank I8 for discharge in the sleeve 34.

In Figure 4, a pair of plugs 50 and 52 are shown, these plugs being disposed in th branch conduits 43 and 44 at the points thereof which bend for passage into the tubes l3 and 34. The plugs are used for facility in cleaning the nozzles.

A return line 54 has one end thereof in communication with the trap '32, after passing through the tube IS. The other end thereof connects with the coupling 40 so that the material in the trap may be drawn through the line 42 during the operation of the internal combustion engine for redischarge. A valve 56 of conventional description is disposed in the line 54, while a valve 58 which is also of conventional description may be employed in th conduit 38 for control of the system.

The device may be mounted on any suitable vehicle which has an internal combustion engine, either for its motive force or to operate other equipment. Any type of mounting bracket may be employed as found desirable.

In operation, the engine exhaust gases pass through the pipe l4 and ultimately through the tube l8. Some of the gases pass through the sleeve 44, causing a suction in the throat thereof. This suction draws the insecticide from the tank l6 for admixture with the exhaust gases. Inasmuch as the exhaust gases are hot, the fluid insecticide is also heated. This heating and dispersal of the insecticide causes it to be discharged through the outlet member 30 as a gas rather than as a spray. Some droplets of material will be present, but those will usually be heavier than the more finely broken-down particles and will therefore be settled downwardly by the time they reach the baffle 28. Hence, they will strike the baflie and drop into the trap 32.

Periodically, the valve 56 may be opened for the purpose of allowing the suction created by the gas flowing through the tube 34, to draw the material from the trap into the-tube 34 for subsequent dispersal.

By employing the bafiie 26 with th discharge or outlet member 30 therein, as disclosed in Figure 2, only the core of the blast of exhaust gases and insecticide is allowed to be discharged over the field or other area.

Having described the claimed as new is:

l. A vaporizer comprising a tube with means at one end for attaching and communicating invention, what is said tube with an exhaustmanifold pipe of an withsaid conduit for return of the insecticide through said conduit.

2. In an internal combustion engine having an exhaust pipe connected therewith, an attachment to distribute a fluent material, said attachment comprising a tube having open ends, means for connecting said tube with the exhaust pipe for flow of exhaust gases from the exhaust pipe through said tube, said tube being of Venturishape, a Venturi-shaped sleeve disposed in said tube with one end thereof arranged at the restriction in said tube, a feed conduit for a fluid insecticide connected with said sleeve whereby insecticide may b drawn into said sleeve, means forming a trap at the opposite end of said tube for condensed insecticide, and a return pipe interconnecting said trap with said feed conduit.

3. In an internal combustion engine having an exhaust pipe connected therewith, an attachment to distribute a fluent material, said attachment comprising a tube having open ends, means for connecting said tube with' the exhaust pipe for flow of exhaust gases from the exhaust pipe through said tube, said tube being of Venturi shape, a Venturi-shaped sleeve disposed in said tube with one end thereof arranged at the restriction in said tube, a feed conduit for a fluid insecticide connected with said sleeve whereby insecticide may be drawn into said sleeve, means forming a trap at the opposite end of said tube for condensed insecticide, the insecticide being admixed with and heated by the exhaust gases as they pass through said tube and sleeve, and said trap forming means including a baiiie with a discharge opening therein spaced from at least the lower wall of said tube and a pipe interconnecting said trap with said feed conduit.

CYRIL W. LOY. MAXWELL H. MULLIS.

REFERENCES CITED The following references are of record in the file of this patent:

v UNITED STATES PATENTS Number 

